Si-Ying Zhang

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The design of state observer for a linear discrete or continuous time uncertain system based on circularly regional pole assignment is studied. Taking use of algebraic Riccati equations and linear matrix inequalities, necessary and sufficient conditions for the existence of the state observer based on circularly regional pole assignment is proposed and the(More)
OBJECTIVE To compare the clinical manifestations between inhaled and blood-borne Staphylococcus aureus pneumonia (SAP) and the antibiotic resistance between the isolates of inhaled and blood-borne Staphylococcus aureus. METHODS The clinical data of 44 pediatric SAP cases in the Children′s Hospital, Chongqing Medical University from January 2008 to(More)
OBJECTIVE To analyze serum vancomycin concentration after administration of different therapeutic doses in children with Staphylococcus aureus pneumonia (SAP) in order to determine the appropriate dose of vancomycin in clinical administration. METHODS The clinical data of 35 children who were diagnosed with SAP and treated with vancomycin from January(More)
In this paper, a class of end-to end network congestion control algorithms with communication delays is studied. By choosing the communication delay as a parameter, the existence of bifurcation and the stability of the system are proved, and the formulas for determining the stability of bifurcation periodic solutions and the direction of the Hopf(More)